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“unpacking” a tuple to call a matching function pointer
.... doesn't work from the signatures: your std::make_unique expects a tuple, and a tuple can be created from an unpacked tuple only via another call to std::make_tuple. This is what I've done in the lambda (although it's highly redundant, as you can also simply copy the tuple into the unique pointer w...
log4net argument to LogManager.GetLogger
...the reason. I do it that way so I don't have to worry about the class name and can just copy and paste boiler plate code in a new class.
For the official answer, see: How do I get the fully-qualified name of a class in a static block? at the log4net faq
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Newline in JLabel
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Surround the string with <html></html> and break the lines with <br/>.
JLabel l = new JLabel("<html>Hello World!<br/>blahblahblah</html>", SwingConstants.CENTER);
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Update ViewPager dynamically?
...ter or FragmentStatePagerAdapter, it is best to deal solely with getItem() and not touch instantiateItem() at all. The instantiateItem()-destroyItem()-isViewFromObject() interface on PagerAdapter is a lower-level interface that FragmentPagerAdapter uses to implement the much simpler getItem() interf...
Compare integer in bash, unary operator expected
...at variable substitutions are done, the shell proceeds with the comparison and.... fails because it cannot see anything intelligible to the left of -gt. However, quoting $i:
if [ "$i" -ge 2 ] ; then ...
becomes:
if [ " " -ge 2 ] ; then ...
The shell now sees the double-quotes, and knows th...
Bash script to receive and repass quoted parameters
...echo $*
bash myecho.sh "$@"
Note the "$@" construct is not bash specific and should work with any POSIX shell (it does with dash at least). Note also that given the output you want, you don't need the extra level of quoting at all. I.E. just call the above script like:
./test.sh 1 2 "3 4"
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How do I get the current Date/time in DD/MM/YYYY HH:MM format?
How can I get the current date and time in DD/MM/YYYY HH:MM format and also increment the month?
4 Answers
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How do I push amended commit to the remote Git repository?
When I've worked a bit with my source code, I did my usual thing commit and then I pushed to a remote repository. But then I noticed I forgot to organize my imports in the source code. So I do the amend command to replace the previous commit:
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CodeFile vs CodeBehind
What is the difference between CodeFile ="file.ascx.cs" and CodeBehind ="file.ascx.cs" in the declaration of a ASP.NET user control?
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How to remove leading and trailing zeros in a string? Python
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What about a basic
your_string.strip("0")
to remove both trailing and leading zeros ? If you're only interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
You could use some list comprehension to get the sequences you w...